Properties

Label 2-378-189.47-c1-0-23
Degree $2$
Conductor $378$
Sign $0.248 + 0.968i$
Analytic cond. $3.01834$
Root an. cond. $1.73733$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.984 + 0.173i)2-s + (1.08 − 1.34i)3-s + (0.939 + 0.342i)4-s + (−3.12 − 1.13i)5-s + (1.30 − 1.13i)6-s + (1.24 − 2.33i)7-s + (0.866 + 0.5i)8-s + (−0.629 − 2.93i)9-s + (−2.88 − 1.66i)10-s + (−0.206 − 0.567i)11-s + (1.48 − 0.893i)12-s + (0.294 − 0.807i)13-s + (1.63 − 2.07i)14-s + (−4.94 + 2.97i)15-s + (0.766 + 0.642i)16-s + (−3.20 + 5.55i)17-s + ⋯
L(s)  = 1  + (0.696 + 0.122i)2-s + (0.628 − 0.777i)3-s + (0.469 + 0.171i)4-s + (−1.39 − 0.509i)5-s + (0.533 − 0.464i)6-s + (0.472 − 0.881i)7-s + (0.306 + 0.176i)8-s + (−0.209 − 0.977i)9-s + (−0.911 − 0.526i)10-s + (−0.0622 − 0.171i)11-s + (0.428 − 0.257i)12-s + (0.0815 − 0.224i)13-s + (0.437 − 0.555i)14-s + (−1.27 + 0.768i)15-s + (0.191 + 0.160i)16-s + (−0.778 + 1.34i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.248 + 0.968i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.248 + 0.968i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(378\)    =    \(2 \cdot 3^{3} \cdot 7\)
Sign: $0.248 + 0.968i$
Analytic conductor: \(3.01834\)
Root analytic conductor: \(1.73733\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{378} (47, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 378,\ (\ :1/2),\ 0.248 + 0.968i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.60216 - 1.24314i\)
\(L(\frac12)\) \(\approx\) \(1.60216 - 1.24314i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.984 - 0.173i)T \)
3 \( 1 + (-1.08 + 1.34i)T \)
7 \( 1 + (-1.24 + 2.33i)T \)
good5 \( 1 + (3.12 + 1.13i)T + (3.83 + 3.21i)T^{2} \)
11 \( 1 + (0.206 + 0.567i)T + (-8.42 + 7.07i)T^{2} \)
13 \( 1 + (-0.294 + 0.807i)T + (-9.95 - 8.35i)T^{2} \)
17 \( 1 + (3.20 - 5.55i)T + (-8.5 - 14.7i)T^{2} \)
19 \( 1 + (-4.68 + 2.70i)T + (9.5 - 16.4i)T^{2} \)
23 \( 1 + (-6.85 + 1.20i)T + (21.6 - 7.86i)T^{2} \)
29 \( 1 + (-3.29 - 9.06i)T + (-22.2 + 18.6i)T^{2} \)
31 \( 1 + (-0.570 + 1.56i)T + (-23.7 - 19.9i)T^{2} \)
37 \( 1 - 0.200T + 37T^{2} \)
41 \( 1 + (9.49 + 3.45i)T + (31.4 + 26.3i)T^{2} \)
43 \( 1 + (2.00 - 11.3i)T + (-40.4 - 14.7i)T^{2} \)
47 \( 1 + (-8.82 + 3.21i)T + (36.0 - 30.2i)T^{2} \)
53 \( 1 + (-2.60 + 1.50i)T + (26.5 - 45.8i)T^{2} \)
59 \( 1 + (2.24 - 1.88i)T + (10.2 - 58.1i)T^{2} \)
61 \( 1 + (-2.28 - 6.27i)T + (-46.7 + 39.2i)T^{2} \)
67 \( 1 + (-0.879 - 4.99i)T + (-62.9 + 22.9i)T^{2} \)
71 \( 1 + (-4.30 + 2.48i)T + (35.5 - 61.4i)T^{2} \)
73 \( 1 + 3.26iT - 73T^{2} \)
79 \( 1 + (-1.06 + 6.03i)T + (-74.2 - 27.0i)T^{2} \)
83 \( 1 + (6.72 - 2.44i)T + (63.5 - 53.3i)T^{2} \)
89 \( 1 + (-1.03 - 1.79i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + (-8.56 - 1.50i)T + (91.1 + 33.1i)T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−11.41160052584837214790605556351, −10.62769947958632405267618629548, −8.857701083608587181233305687759, −8.221282569177862516158719370685, −7.35890499272192478608242301003, −6.72408892195605616586183032997, −5.05523286431831050443587075176, −4.03311143639384582781583802202, −3.13317487134509999680621603726, −1.15547295632594753128272760183, 2.53982454350865163902586101758, 3.44159074628606759677864831597, 4.52244306815744655218129412064, 5.31507636763542897698189661323, 6.97020237634196338530199057406, 7.81902599314591956983391161373, 8.747110274155438698759378595248, 9.757023729715983525800188834686, 10.96034327510464507896472856998, 11.58374315483759900966759078304

Graph of the $Z$-function along the critical line